URLs

• https://www.pixiv.net/users/35007
• https://www.pixiv.net/stacc/paradise_lost_regained
• https://twitter.com/chitei_tk
• https://twitter.com/sphere_tk
• https://twitter.com/intent/user?user_id=78088028
• https://twitter.com/intent/user?user_id=4891723814
• https://sketch.pixiv.net/@paradise_lost_regained
• http://shin-kuu.sakura.ne.jp
• https://www.mangaupdates.com/author/68gwrpo
• https://www.mangaupdates.com/authors.html?id=13572826188
• https://ja.wikipedia.org/wiki/天空すふぃあ
• https://anidb.net/creator/60577
• https://www.animenewsnetwork.com/encyclopedia/people.php?id=200139
• https://www.mobygames.com/person/1204156
• http://www3.coara.or.jp/~spheretk
• http://shinkuu.seesaa.net
• http://shinkuu.up.seesaa.net